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FINDS Exo-Earths

Are there super-Earth or Earth-sized planets in orbit around Alpha Centauri A or B?

We can find out for $33,000—or $1,650 a night.

To view Alpha Centauri the telescope must be in the southern hemisphere for Debra Fisher and our FINDS Exo-earths team, so we need to rent time at the Cerro Tololo Inter-American Observatory in Chile

Please make a donation to sponsor as much telescope time as you can to study the mysteries of Alpha Centauri! The Planetary Society is hunting for Earth-like planets orbiting distant stars...

FINDS Exo-Earths

The Planetary Society had teamed up with planet hunters Debra Fischer of Yale University and Geoff Marcy of the University of California at Berkeley to help with the quest to find other "Earths," other worlds like our own, elsewhere in our galaxy.

The project is called FINDS Exo-Earths (which stands for Fiber-optic Improved Next generation Doppler Search for Exo-Earths).

This high-end optical system was installed on the 3-meter telescope at the Lick Observatory and dramatically increased discoveries of smaller exoplanets and has been playing a crucial role in verifying Earth-sized planet candidates from the Kepler planet-hunter mission.

This is exactly the kind of project the Society has always excelled at. It's a small, vital effort, overlooked and under-valued by the space community's "Powers That Be." And we can see that it offers an incredible cost-benefit ratio.

Help The Planetary Society support the hunt for Exoplanets:

Donate to the FINDS Exo-Earths today!

Project Updates

Remembering Charles Townes

Mat Kaplan • January 31, 2015 • 2

Mat Kaplan honors the memory of a scientific pioneer.

A Look Back at an Amazing Year

Jennifer Vaughn • December 31, 2014

As excited as we are to jump into 2015, I want to take time to reflect on the year coming to a close and applaud all that we’ve accomplished working together.

Using Lasers to Lock Down Exoplanet Hunting

Bruce Betts • September 26, 2014

The Planetary Society is launching a new collaboration with Yale exoplanet hunter Debra Fischer and her team, the Exoplanets Laser project. We will support the purchase of an advanced, ultra stable laser to be used in a complex system they are designing to push radial velocity exoplanet hunting to a whole whole new level.

Intro Astronomy 2014. Class 11: Exoplanets and Solar System Origin and Formation

Bruce Betts • April 25, 2014

Learn about the formation and origin of the Solar System and go beyond our neighborhood to investigate exoplanets (planets around other stars) in this video of class 11 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Update on the search for planets in the Alpha Centauri system

Bruce Betts • April 04, 2014 • 2

Update from Debra Fischer and her team on the intriguing results of their observations of the main Alpha Centauri stars, as well as future plans.

Alpha Centauri Planet Hunt Update

Bruce Betts • October 15, 2013 • 2

An update from Yale’s Debra Fischer about the Alpha Centauri planet hunt, partially sponsored by The Planetary Society, as well as her team’s efforts to remove “noise” from parent stars to help find exoplanets.

Upgraded Alpha Centauri Planet Search Underway

Bruce Betts • July 26, 2013 • 1

The Planetary Society sponsored Alpha Centauri planet search started using a newly upgraded system in May. Here is a quick update including info from project leader Debra Fischer from Yale about their new system.

First Planet Discovered in Alpha Centauri System

Bruce Betts • October 17, 2012 • 12

European astronomers have made the first planetary discovery in the closest-to-Earth Alpha Centauri star system. Here is some information about the discovery, and insights from Yale Astronomer Debra Fischer, who leads another Alpha Centauri planet search partially supported by The Planetary Society.

Planets around Alpha Centauri?

Bruce Betts • April 24, 2012 • 2

Do planets circle our closest stellar neighbors, the system loved by science fiction: Alpha Centauri? We don’t know. But, Debra Fischer, Julien Spronck, and their colleagues at Yale University, in part with Planetary Society support, are trying to find out.

A possible nine-planet system

Emily Lakdawalla • April 06, 2012 • 1

Someone on Twitter pointed me to a paper recently posted to ArXiv titled "Evidence for 9 planets in the HD 10180 system." If the (tentative) conclusion holds up, HD 10180 will be the first exoplanetary system known to have more planets than our own.

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Section Highlights

How Does Finds Exo-Earths Work

When planet hunters train their telescopes on the stars, they usually aren't looking for an actual visual image of any planets. The distances are simply too vast. Rather, they seek evidence of those distant planets based on the behavior of the light from the stars themselves.

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